FENNIMORE WASTEWATER TREATMENT FACILITY
NPDES ID: WI0023981
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 26 reporting violations.
Violations
April 30, 2026
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 510 mg/L (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
March 31, 2026
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 510 mg/L (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
February 28, 2026
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 510 mg/L (WKLY AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Overdue
January 31, 2026
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 510 mg/L (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
27% over limit
Discharged 38 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (ANNL MAX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (ANNL AVG)
DMR, Monitor Only - Overdue
November 30, 2025
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 510 mg/L (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
October 31, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 510 mg/L (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
2% over limit
Discharged 3.92 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
September 30, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
August 31, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
July 31, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
June 30, 2025
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 4.94 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Numeric Violation
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
May 31, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
3% over limit
Discharged 31 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
7% over limit
Discharged 16 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1% over limit
Discharged 20.2857 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
25% over limit
Discharged 1 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
4% over limit
Discharged 0.8317 mg/L against a permitted limit of 0.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
December 31, 2024
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
November 30, 2024
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
October 31, 2024
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
5% over limit
Discharged 3.8 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
September 30, 2024
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
August 31, 2024
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
July 31, 2024
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.32000002 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.81719999 kg/d (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.77179999 kg/d (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)